1.Increased penetration rate
2.long service life;low drilling cost
3.Excellent straghtness and hole clean quality
4.ISO:9001
Port: shenzhen
Minimum Order Quantity: 10 Piece/Pieces
Supply Ability: 50000 Piece/Pieces per Month
Payment Terms: L/C,D/P,T/T
Contact SupplierPackaging Detail: wooden box or as clients'requirement.
Delivery Detail: Within 10 days or as order quantity
Step Type Drag Bit
Step drag bit: three wings step drag bit, four wings step drag bits;
Drag bits diameter:76mm to 445mm;
Drag bits thread sizes: :2 3/8” API Reg, 3 1/2” API Reg, 4 1/2” API Reg, 6 5/8” API Reg, etc;